Analysis of the Temperature Field of the Diamond Wheel Dressed Using Laser Assisted Ultrasonic-Vibration Combined Dressing Method

Abstract:

During the dressing process of diamond wheel using laser/ultrasonic-vibration combined dressing method, the removal mode of the local materials on the surface of wheel with the use of laser’s heating effect transits from brittle fracture to plastic flow, so that the wear of diamond dresser can be reduced and the dressing efficiency and surface dressing quality can be improved. Using ANSYS analysis software, the three-dimensional units were used and the nonlinearity of the material’s thermophysical properties was taken into account, and thereby, the finite element model of the temperature field of the diamond wheel heated by the laser during the dressing process was constructed. Then, the distributions of the temperature field on the surface and section of the wheel under different technological parameter were acquired. Moreover, the temperature distribution of the dressed wheel under actual working conditions was measured using infrared temperature measurement method. The results indicate that, under the same working conditions, the simulation results using finite element model fit well with the measured values, i.e., the finite element model has important guiding significance to the selection of technological parameters in dressing.

• Periodical: Materials Science Forum (Volume 874)
• Pages: 261-267
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.874.261
• Online since: October 2016
• Authors: Zhi Bo Yang*, Zhen Zhang, Rui Yun Yang, Ai Ju Liu
• Keywords: Diamond Wheel, Finite Element, Laser/Ultrasonic-Vibration Dressing, Temperature Field

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